CN106750953A - It is a kind of comprising anti-precipitation, the composite of permanent type antistatic polypropylene functional agglomerate and preparation method thereof - Google Patents
It is a kind of comprising anti-precipitation, the composite of permanent type antistatic polypropylene functional agglomerate and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C08L2201/04—Antistatic
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- C08L2205/00—Polymer mixtures characterised by other features
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- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention discloses a kind of comprising anti-precipitation, the composite of permanent type antistatic polypropylene functional agglomerate and preparation method thereof, the PP composite material is mainly made up of anti-precipitation, 3~8 parts of permanent type anti-static function master batch, 50~90 parts of conventional polypropylene, 0~40 part of inorganic filler, 8~20 parts of elastomer, 0.1~1 part of antioxidant, 0~3 part of other auxiliary agents.The present invention makes full use of the extrudate of high polymer to swell effect, good stability can be effectively reduced while ensureing that material has good antistatic effect but the consumption of nonionic anti-static function auxiliary agent that antistatic effect is not good, it is final to be reduced while reaching and reducing material cost because largely adding the influence that antistatic additive bring to material other performances, the features such as prepared antistatic polypropylene composite material has excellent anti-precipitation, antistatic effect, good mechanical performance.
Description
Technical field
The present invention relates to a kind of functionalized polypropylene material and preparation method thereof, more particularly to a kind of anti-precipitation, permanent type
The preparation method of antistatic polypropylene functional agglomerate and its composite, belongs to polypropylene technology field.
Background technology
Polypropylene has density small because of it, and cost performance is high and with excellent heat resistance and the features such as be easy to processing and forming,
And turn into the consumption maximum in the products such as automobile interior exterior decorations, household electrical appliances, PC, one of plastics variety with the fastest developing speed.Although poly-
Propylene has many advantages, such as the above, but its material surface resistivity ＞ 10 higher15Ω, electrostatic is also easy to produce in its product surface,
Dust is easily adsorbed during production, transport and use, the exterior quality of material product is influenceed, causes products appearance not
It is qualified, have a strong impact on the application of polypropylene and its composite.
To solve the electrostatic defect of polypropylene material, the ionic by the way that the certain content of addition is blended main in the market
The antistatic property of PP composite material is improved with the mode of non-ionic antistatic agent.It is primarily present following shortcoming：
One：Though addition cation or its antistatic effect of anionic antistatic agent are good, the antistatic additive of the type and poly- third
The compatibility of alkene material is poor, and the mechanical performance for being on the one hand easily caused polypropylene material declines, on the other hand in material
Easily being separated out during use causes product tacky and odor problem, and a kind of addition is cloudy as disclosed in United States Patent (USP) US4000102
Ionic anti-static agent fatty acid zinc, by using the water suction of the continuous fatty acid zinc for moving to surface during materials'use
Property and surface ionization improve the antistatic property of polypropylene material.Secondly：Addition good stability, to material property shadow
The less non-ionic antistatic agent of sound, but the antistatic effect of the antistatic additive is poor, wants to reach in use
With ionic anti-static agent identical antistatic effect, its addition is higher by many times, use cost compared with ionic anti-static agent
Height, lacks the market competitiveness, a kind of permanent anti-static, antimicrobial polyamide 6/polypropylene as disclosed in patent CN103910997 A
Composite, by adding antistatic effect of 20~60 parts of the non-ionic antistatic agent CNT to lift material.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of anti-precipitation, permanent type antistatic polypropylene
The preparation method of functional agglomerate and its composite, the method mainly include by it is a kind of with high fluidity and compatibility it is non-from
Subtype permanent anti-static functional agglomerate is prepared with conventional polypropylene by double screw extruder or injection machine blending extrusion.It is anti-
There is the more conventional polypropylene material of electrostatic function master batch mobility higher to be squeezed from double screw extruder or injection machine when blend
When going out, because the extrudate of polymer melt swells effect, have when polymer is extruded from double screw extruder or injection machine
The functional agglomerate of high fluidity is flowed so as to drive anti-static function auxiliary agent priority enrichment in material surface to melt outside first,
And be then free of or contain micro antistatic auxiliary in material internal, it is ensured that energy while material has good antistatic effect
The effective consumption for reducing good stability but the not good nonionic anti-static function auxiliary agent of antistatic effect, is finally reaching drop
Low material cost is reduced because of the influence that a large amount of addition antistatic additive bring to material property simultaneously.
The present invention provides a kind of anti-precipitation, permanent type antistatic polypropylene composite material and preparation method thereof, by through surface
The polypropylene antistatic with high fluidity Yu compatibility that nonionic permanent anti-static agent after modifying and decorating is prepared
Functional agglomerate is prepared with conventional polypropylene by twin-screw or injection machine blending extrusion, and the addition of wherein functional agglomerate is pressed
Parts by weight are 3~8 parts.Described functional agglomerate is by with high-flowability polypropylene as matrix material, through twin-screw extrusion
Machine and surface modification the agent of nonionic permanent anti-static (Graphene, CNT, conductive nano carbon black etc. one or more
Composition) etc. extruding pelletization be prepared.
It is that, up to foregoing invention purpose, the present invention is achieved through the following technical solutions：
A kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate, by following according to weight portion
The raw material of number meter is prepared from：
Conventional polypropylene：50~95 parts,
Inorganic filler：0~40 part,
Elastomer：0~20 part,
Antistatic polypropylene functional agglomerate：3~8 parts,
Auxiliary agent：2~5 parts.
Described anti-static function master batch, is prepared from by following raw materials by weight：
High flow speed polypropylene：50~75 parts,
Antistatic additive：20~40 parts,
Coating material：5~10 parts,
Auxiliary agent：2~5 parts.
Further, described conventional polypropylene material refers to that the flowing velocity of material exists under the conditions of 2.16Kg at 230 DEG C
The polypropylene of 1.0~60g/10min, described high flow speed polypropylene refers to the stream of material under the conditions of 2.16Kg at 230 DEG C
Pp material of the dynamic speed in more than 150g/10min.
Described inorganic filler is the inorganic powder materials such as talcum powder, barium sulfate, calcium carbonate.
Described elastomer is ethylene-propylene thing, ethylene-hexene co-polymers, ethylene-butene copolymer, ethylene-octene altogether
One or several mixture of copolymer, density is 0.80~1.0g/cm3.Described auxiliary agent is antioxidant 1010 (four
(β-3,5-di-t-butyl-4-hydroxy phenyl) pentaerythritol resin), (three (2,4-di-tert-butyl-phenyls) are sub- for irgasfos 168
Phosphate, antioxidant DSTP (the double octadecyls of thio-2 acid), light stabilizer V703,5589,531, lubricant white oil, ethene
Base double stearoylketenes amine (EBS) one or several mixtures therein.
Described antistatic additive is preferably one or more mixing therein such as Graphene, CNT, conductive nano charcoal
Thing.
Described coating material is preferably polyolefin organosilan copolymer or by alkyl-modified polysiloxanes etc.
One or more mixtures.
Goal of the invention of the invention is to provide a kind of anti-precipitation, permanent type antistatic polypropylene functional agglomerate and its composite wood
The preparation method of material, mainly including following preparation process：
(1) preparation of functional agglomerate：
I. the surface modification of antistatic additive
By weight, after 90~95 parts of dryings of non-ionic antistatic agent with 5~10 parts of silanes coating material, one
Rise and be added in high speed mixing smelting machine, be prepared from through high speed mixing.
Ii. the preparation of functional agglomerate
By weight, 50~80 parts of the high flow speed polypropylene by flow rate more than 150g/min, antistatic additive
20~40 parts, 2~5 parts of auxiliary agent is added to after being well mixed in batch mixer together, is then added in double screw extruder, through double spiral shells
The melting of bar extruder, extrusion, cooling, pelletizing are prepared.
I~X areas processing temperature of described double screw extruder is followed successively by 150 DEG C, 195 DEG C, 205 DEG C, 205 DEG C, 215
DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C, 235 DEG C.Driving screw rotating speed is 300~450r/min, tank temperature 23 DEG C~50
℃。
(2) anti-precipitation, the preparation of permanent type antistatic polypropylene composite material：
By weight, 50~95 parts of 3~8 parts of the anti-static function master batch that will be prepared in step (1) and conventional polypropylene,
0~40 part of inorganic filler, 0~20 part of elastomer, 2~5 parts of auxiliary agent is added to after being well mixed in high speed mixer together, then adds
Enter in double screw extruder, poly- anti-precipitation, permanent anti-static are prepared into through double screw extruder melting, extrusion, cooling, pelletizing
Acrylic composite.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 185 DEG C, 200 DEG C, 205 DEG C, 210
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550~600r/min, tank temperature 23 DEG C~50
℃。
The present invention compared with prior art, with following technical advantage：
(1) present invention uses high-flowability polypropylene as the matrix material of polypropylene antistatic functional agglomerate, using height
Melt swell effect of the polymers in extrusion process, has when polymer is extruded from double screw extruder or injection machine
The functional agglomerate for having high fluidity is flowed so as to drive anti-static function auxiliary agent priority enrichment in material list to melt outside first
Layer, can effectively reduce the addition of non-ionic antistatic agent, and material cost and reduction are reduced because largely adding so as to reach
Plus the influence that antistatic additive brings to material property, inexpensive, good antistatic behaviour is embodied in the characteristics of its material.
(2) antistatic additive that the present invention is used is the non-ionic antistatic agent of good stability, and using silanes surface
Dressing agent carries out surface modification to it, improves the compatibility of antistatic additive and acrylic resin, prepared anti-static material
The features such as with anti-precipitation, excellent antistatic effect, good mechanical performance.
Specific embodiment
With reference to specific embodiment, present invention is expanded on further.It is emphasized that these embodiments are only used for
Further illustrated to of the invention, and it is not intended that limiting the scope of the invention.In addition, it is to be understood that reading this
After the described content of invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent form of values are same
Sample falls within the application appended claims limited range.
Flow rate polypropylene high in the following example is respectively HL504FB, HL50BFB from the trade mark of Borealis
Flow rate polypropylene high, at 230 DEG C, the flowing velocity of material is respectively 450g/min, 560g/min under the conditions of 2.16Kg.
Low flow rate polypropylene is routine of the flowing velocity of material within 60g/min poly- third under the conditions of 2.16Kg at 230 DEG C
M2600R, M3000RH of alkene, such as oil of SPC.
Embodiment 1
(1) anti-precipitation, the preparation of permanent type anti-static function master batch：
I. the surface modification of antistatic additive
By weight, after the 90 parts of dryings of non-ionic antistatic agent CNT with 10 parts of silane surfaces dressing agent, one
Rise and be added in high speed mixing smelting machine, be prepared from through high speed mixing.
Ii. anti-precipitation, the preparation of permanent type anti-static function master batch
By weight, it is the high flow speed polypropylene of 450g/min by flowing velocity：78 parts of HL504FB, it is antistatic
20 parts of agent, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents mix in being added to batch mixer together
After uniform, it is then added in double screw extruder, is prepared through double screw extruder melting, extrusion, cooling, pelletizing.230
DEG C, the flowing velocity 440g/min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) anti-precipitation, permanent type antistatic polypropylene composite material and its preparation：
By weight, anti-3 parts of the functional agglomerate that separates out of resistance to scratching that will be prepared in step (1) is 25g/ with flowing velocity
67 parts of the M2600R polypropylene of min, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant is white
Oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double screw extruder
In, it is prepared into anti-precipitation, permanent anti-static PP composite material through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 165 DEG C, 185 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 560r/min, 35 DEG C of tank temperature.
Comparative example 1
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Antistatic property, corresponding comparative example 1 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) through silane surfaces modification of parts by weight same as Example 1 is multiple to prepare resistance to scratching polypropylene
Condensation material, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of surface modification：0.6 part of CNT, be with flowing velocity
69.4 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：Profit
Lubrication prescription white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to twin-screw
In extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Comparative example 2
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Anti- precipitation performance, corresponding comparative example 2 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) without silane surfaces modification of parts by weight same as Example 1 prepares anti-precipitation polypropylene
Composite, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of non-surface modification：0.6 part of CNT, with flowing velocity
It is 69.4 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：
Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double spiral shells
In bar extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Embodiment 2
(1) anti-precipitation, the preparation of permanent type anti-static function master batch：
I. the surface modification of antistatic additive
By weight, after the 90 parts of dryings of non-ionic antistatic agent CNT with 10 parts of silane surfaces dressing agent, one
Rise and be added in high speed mixing smelting machine, be prepared from through high speed mixing.
Ii. anti-precipitation, the preparation of permanent anti-static functional agglomerate
By weight, it is the high flow speed polypropylene of 450g/min by flowing velocity：78 parts of HL504FB, it is antistatic
20 parts of agent, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents mix in being added to batch mixer together
After uniform, it is then added in double screw extruder, is prepared through double screw extruder melting, extrusion, cooling, pelletizing.230
DEG C, the flowing velocity 440g/min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) anti-precipitation, permanent anti-static PP composite material and its preparation：
By weight, anti-8 parts of the functional agglomerate that separates out of resistance to scratching that will be prepared in step (1) is 25g/ with flowing velocity
62 parts of the M2600R polypropylene of min, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant is white
Oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double screw extruder
In, it is prepared into anti-precipitation, permanent anti-static PP composite material through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 165 DEG C, 185 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 560r/min, 35 DEG C of tank temperature.
Comparative example 1
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Antistatic property, corresponding comparative example 1 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) through silane surfaces modification of parts by weight same as Example 1 is multiple to prepare resistance to scratching polypropylene
Condensation material, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of surface modification：1.6 parts of CNT, be with flowing velocity
68.4 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：Profit
Lubrication prescription white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to twin-screw
In extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Comparative example 2
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Anti- precipitation performance, corresponding comparative example 2 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) without silane surfaces modification of parts by weight same as Example 1 prepares anti-precipitation polypropylene
Composite, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of non-surface modification：1.6 parts of CNT, with flowing velocity
It is 68.4 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：
Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double spiral shells
In bar extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Embodiment 3
(1) anti-precipitation, the preparation of permanent type anti-static function master batch：
I. the surface modification of antistatic additive
By weight, after the 95 parts of dryings of non-ionic antistatic agent CNT with 5 parts of silane surfaces dressing agent, together
It is added in high speed mixing smelting machine, is prepared from through high speed mixing.
Ii. anti-precipitation, the preparation of permanent type anti-static function master batch
By weight, it is the high flow speed polypropylene of 450g/min by flowing velocity：58 parts of HL504FB, it is antistatic
40 parts of agent, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents mix in being added to batch mixer together
After uniform, it is then added in double screw extruder, is prepared through double screw extruder melting, extrusion, cooling, pelletizing.230
DEG C, the flowing velocity 440g/min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) anti-precipitation, permanent type antistatic polypropylene composite material and its preparation：
By weight, anti-3 parts of the functional agglomerate that separates out of resistance to scratching that will be prepared in step (1) is 25g/ with flowing velocity
67 parts of the M2600R polypropylene of min, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant is white
Oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double screw extruder
In, it is prepared into anti-precipitation, permanent anti-static PP composite material through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Comparative example 1
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Antistatic property, corresponding comparative example 1 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) through silane surfaces modification of parts by weight same as Example 1 is multiple to prepare resistance to scratching polypropylene
Condensation material, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of surface modification：1.2 parts of CNT, be with flowing velocity
68.8 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：Profit
Lubrication prescription white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to twin-screw
In extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Comparative example 2
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Anti- precipitation performance, corresponding comparative example 2 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) without silane surfaces modification of parts by weight same as Example 1 prepares anti-precipitation polypropylene
Composite, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of non-surface modification：1.2 parts of CNT, with flowing velocity
It is 68.8 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：
Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double spiral shells
In bar extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Embodiment 4
(1) anti-precipitation, the preparation of permanent type anti-static function master batch：
I. the surface modification of antistatic additive
By weight, after the 95 parts of dryings of non-ionic antistatic agent CNT with 5 parts of silane surfaces dressing agent, together
It is added in high speed mixing smelting machine, is prepared from through high speed mixing.
Ii. anti-precipitation, the preparation of permanent type electrostatic function master batch
By weight, it is the high flow speed polypropylene of 450g/min by flowing velocity：58 parts of HL504FB, it is antistatic
40 parts of agent, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents mix in being added to batch mixer together
After uniform, it is then added in double screw extruder, is prepared through double screw extruder melting, extrusion, cooling, pelletizing.230
DEG C, the flowing velocity 440g/min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) anti-precipitation, permanent anti-static PP composite material and its preparation：
By weight, anti-8 parts of the functional agglomerate that separates out of resistance to scratching that will be prepared in step (1) is 25g/ with flowing velocity
62 parts of the M2600R polypropylene of min, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant is white
Oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double screw extruder
In, it is prepared into anti-precipitation, permanent anti-static PP composite material through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 165 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210
DEG C, 215 DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature
Comparative example 1
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, forever resists quiet PP composite material
Antistatic property, corresponding comparative example 1 is using the method for preparing resistance to scratching PP composite material conventional at present, directly addition
The antistatic additive (CNT) through silane surfaces modification of parts by weight same as Example 1 is multiple to prepare resistance to scratching polypropylene
Condensation material, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of surface modification：3.2 parts of CNT, be with flowing velocity
66.8 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：Profit
Lubrication prescription white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to twin-screw
In extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 165 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210
DEG C, 215 DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Comparative example 2
It is to be formed to compare with embodiment 1, preferably embodies a kind of anti-precipitation of the present invention, permanent type and resist quiet polypropylene composite materials material
The anti-precipitation performance of material, corresponding comparative example 2 is directly added using the conventional method for preparing antistatic polypropylene composite material at present
Plus parts by weight same as Example 1 without silane surfaces modification antistatic additive (CNT) come prepare it is anti-separate out poly- third
Alkene composite, it is main to include implementation steps in detail below：
By weight, by step (1) by the antistatic additive of non-surface modification：3.2 parts of CNT, with flowing velocity
It is 66.8 parts of the M2600R polypropylene of 25g/min, 20 parts of talcum powder, 8 parts of elastomer, 0.1 part of DSTP antioxidant, other auxiliary agents：
Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added in high speed mixer after being well mixed together, are then added to double spiral shells
In bar extruder, modified polypropylene composite material is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 165 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210
DEG C, 215 DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature
By anti-precipitation, permanent anti-static polypropylene composite materials material prepared by above-described embodiment 1~4 and its corresponding comparative example
Material is molded into corresponding test bars according to unified technique, and performance test is carried out according to the testing standard and condition in table 1 below,
Test data is as shown in table 2.
The anti-precipitation of table 1, permanent type antistatic polypropylene composite material performance test standard and condition
The embodiment 1~4 of table 2 and its anti-precipitation of comparative example, permanent type antistatic polypropylene composite material performance test data
Embodiment 1~4 is according to a kind of anti-precipitation of patent of the present invention, permanent type antistatic polypropylene composite material in table 2
In the test result of modified polypropylene composite material for preparing of part representative embodiment, be preferably to embody the present invention one
Plant the antistatic and anti-precipitation of the preparation method of anti-precipitation, permanent type antistatic polypropylene functional agglomerate and its composite
Can, corresponding comparative example 1 is used as the control of corresponding embodiment to comparative example 2.As can be drawn from Table 2 drawing a conclusion：
(1) because a kind of anti-precipitation of the present invention, permanent type antistatic polypropylene composite material are squeezed by using high polymer
Go out the thing effect that swells and the modified antistatic additive of surface treated is enriched in the surface of composite to greatest extent.Effectively
Reduce in the prior art from good stability but antistatic effect is not good, cost of material nonionic anti-static function higher
The consumption of auxiliary agent, is reduced because of the precipitation that a large amount of addition antistatic additive bring to material property while reducing composite cost
Defect.
(2) because the present invention carries out surface modification using silanes coating material to it, improve antistatic additive and gather
The compatibility of allyl resin, for improving due to the analysis that the poor antistatic auxiliary of addition polarity high-compatibility is brought to composite
Go out, the defect such as loss of mechanical properties has further facilitation.
Claims (8)
1. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate, it is characterised in that：Pressed by following
Raw material according to parts by weight meter is prepared from：
Conventional polypropylene：50~95 parts,
Inorganic filler：0~40 part,
Elastomer：0~20 part,
Antistatic polypropylene functional agglomerate：3~8 parts,
Auxiliary agent：2~5 parts；
Described anti-static function master batch, is prepared from by following raw materials by weight：
High flow speed polypropylene：50~75 parts,
Antistatic additive：20~40 parts,
Coating material：5~10 parts,
Auxiliary agent：2~5 parts.
2. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described conventional polypropylene material refer at 230 DEG C, under the conditions of 2.16Kg the flowing velocity of material 1.0~
The polypropylene of 60g/10min, described high flow speed polypropylene refers to the flowing speed of material under the conditions of 2.16Kg at 230 DEG C
Spend the pp material in more than 150g/10min.
3. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described inorganic filler is the one kind in talcum powder, barium sulfate, calcium carbonate.
4. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described elastomer be ethylene-propylene altogether thing, ethylene-hexene co-polymers, ethylene-butene copolymer, ethene-
One or several mixture of octene copolymer, density is 0.80~1.0g/cm3。
5. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described auxiliary agent be antioxidant 1010, irgasfos 168, antioxidant DSTP, light stabilizer V703,5589,531,
One or several mixtures in double stearoylketenes amine (EBS) of lubricant white oil, vinyl.
6. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described antistatic additive is selected from one or more mixtures in Graphene, CNT and conductive nano charcoal.
7. a kind of composite comprising anti-precipitation, permanent type antistatic polypropylene functional agglomerate according to claim 1,
It is characterized in that：Described coating material is selected from polyolefin organosilan copolymer, by alkyl-modified polysiloxanes one
Plant or several mixtures.
8. described according to claim 1 a kind of resist comprising anti-precipitation, permanent type according to claim 1-7 is one of any
The preparation method of the composite of electrostatic polypropylene functional agglomerate, it is characterised in that：Including following preparation process：
(1) preparation of functional agglomerate：
I. the surface modification of antistatic additive
By weight, after 90~95 parts of dryings of non-ionic antistatic agent with 5~10 parts of silanes coating material, together plus
Enter in high speed mixing smelting machine, be prepared from through high speed mixing；
Ii. the preparation of functional agglomerate
By weight, 50~80 parts of the high flow speed polypropylene by flow rate more than 150g/min, antistatic additive 20~
40 parts, 2~5 parts of auxiliary agent is added to after being well mixed in batch mixer together, is then added in double screw extruder, is squeezed through twin-screw
Go out machine melting, extrusion, cooling, pelletizing is prepared；
I~X areas processing temperature of described double screw extruder is followed successively by 150 DEG C, 195 DEG C, 205 DEG C, 205 DEG C, 215 DEG C, 225
DEG C, 225 DEG C, 230 DEG C, 235 DEG C, 235 DEG C.Driving screw rotating speed is 300~450r/min, 23 DEG C~50 DEG C of tank temperature；
(2) anti-precipitation, the preparation of permanent type antistatic polypropylene composite material：
By weight, 50~95 parts of 3~8 parts of the anti-static function master batch that will be prepared in step (1) and conventional polypropylene, it is inorganic
0~40 part of filler, 0~20 part of elastomer, 2~5 parts of auxiliary agent is added to after being well mixed in high speed mixer together, is then added to
In double screw extruder, poly- anti-precipitation, permanent anti-static propylene are prepared into through double screw extruder melting, extrusion, cooling, pelletizing
Composite；
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 185 DEG C, 200 DEG C, 205 DEG C, 210 DEG C, 220
DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550~600r/min, 23 DEG C~50 DEG C of tank temperature.
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Application publication date: 20170531 |